Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Internal Medicine

Lenin Pinnamaneni, MD

Works at hospitals in Lufkin, TX · Texas

Summary

Dr. Lenin Pinnamaneni, MD is an internal medicine doctor at 9423 S US Hwy 69, Huntington, TX 75949. Phone: (936) 876-6718. Accepts Medicare assignment. In 2024, Lenin Pinnamaneni had 221 Original Medicare patients and 3,599 services. NPI 1871595819. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Lenin Pinnamaneni, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Lenin Pinnamaneni accept Medicare assignment?
Yes. Medicare's clinician data says Lenin Pinnamaneni accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Lenin Pinnamaneni see?
In 2024, CMS data shows 221 Original Medicare patients and 3,599 services for Lenin Pinnamaneni. This counts Original Medicare only and measures volume, not quality.
What is Lenin Pinnamaneni's NPI number?
1871595819. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Lenin Pinnamaneni, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients221
Services billed to Medicare3,599
Different services or procedures74
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)628 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)439 services
  3. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)318 services
  4. Hemoglobin a1c level (83036)232 services
  5. Injection, ceftriaxone sodium, per 250 mg (J0696)232 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Chronic kidney disease71%
  • Diabetes31%
  • Depression30%
  • Arthritis26%

Hospitals where Lenin Pinnamaneni works

Medicare's Facility Affiliation Data lists Lenin Pinnamaneni at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Lenin Pinnamaneni is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Lenin Pinnamaneni as a member of this group (CMS data updated October 2, 2026).

  • Pineywoods Diagnostic Clinic3 clinicians in the group

Specialties

Find other Internal Medicine doctors in Texas →

Other internal medicine doctors in Texas

Clinicians with the same Medicare primary specialty in Texas — not a recommendation.

All internal medicine doctors in Texas →

Other clinicians in Pineywoods Diagnostic Clinic

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1972 (54 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1871595819
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians